<canvas id="oilChart" width="600" height="400"></canvas>

var oilCanvas = document.getElementById("oilChart");

Chart.defaults.global.defaultFontFamily = "Lato";
Chart.defaults.global.defaultFontSize = 18;

var oilData = {
    labels: [
        "Saudi Arabia",
        "Russia",
        "Iraq",
        "United Arab Emirates",
        "Canada"
    ],
    datasets: [
        {
            data: [133.3, 86.2, 52.2, 51.2, 50.2],
            backgroundColor: [
                "#FF6384",
                "#63FF84",
                "#84FF63",
                "#8463FF",
                "#6384FF"
            ]
        }]
};

var pieChart = new Chart(oilCanvas, {
  type: 'pie',
  data: oilData
});